2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/202409The NA48 experiment at CERN has performed a new measurement of direct CP violation, based on data taken in 1997 by simultaneously collecting K_L and K_S decays into pi0pi0 and pi+pi-. The result for the CP violating parameter Re(epsilon'/epsilon) is (18.5 +/- 4.5(stat)} +/- 5.8 (syst))x10^{-4}.18 pages, 6 figuresHigh Energy Physics - Experimenttext